21586850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 43687680

約数和(自身を除く): 22100830

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 310, 475, 589, 733, 775, 950, 1178, 1466, 1550, 2945, 3665, 5890, 7330, 13927, 14725, 18325, 22723, 27854, 29450, 36650, 45446, 69635, 113615, 139270, 227230, 348175, 431737, 568075, 696350, 863474, 1136150, 2158685, 4317370, 10793425, 21586850]

約数ペア:

[(1, 21586850), (2, 10793425), (5, 4317370), (10, 2158685), (19, 1136150), (25, 863474), (31, 696350), (38, 568075), (50, 431737), (62, 348175), (95, 227230), (155, 139270), (190, 113615), (310, 69635), (475, 45446), (589, 36650), (733, 29450), (775, 27854), (950, 22723), (1178, 18325), (1466, 14725), (1550, 13927), (2945, 7330), (3665, 5890)]